Haircare routine

We have so many skincare routines but no haircare ones. So girlies please drop your holy grail products that u use:
1. A good regular shampoo?
2.clarifying shampoo cuz
3.oil? Conditioner? Serum?
4. Anything u wanna say ! Cuz knowledge is always welcomed! (Tips)(๑•ㅂ•)و✧